html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  outline: none;
}

/* 清除内外边距 */
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, /* structural elements 结构元素 */
dl, dt, dd, ul, ol, li, /* list elements 列表元素 */
pre, /* text formatting elements 文本格式元素 */
fieldset, lengend, button, input, textarea, /* form elements 表单元素 */
th, td {
  /* table elements 表格元素 */
  margin: 0;
  padding: 0;
}

/* 设置默认字体 */
html,
body,
button,
input,
select,
textarea {
  /* for ie */
  font-size: 12px;
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', Arial, sans-serif; /* 用 ascii 字符表示，使得在任何编码下都无问题 */
}
body {
  background: #f7f7f7;
}
img {
  width: 100%;
}
/*
    滚动条
*/
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-button {
  height: 0;
  width: 0;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: #cfcfcf;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover,
.stream .trip-wrapper::-webkit-scrollbar-thumb:active {
  background-color: #afafaf;
}

::-webkit-scrollbar-thumb:horizontal {
  border-width: 8px 1px 1px;
  padding: 0 0 0 100px;
  box-shadow: inset 1px 1px 0 rgba(0, 0, 0, 0.1), inset -1px 0 0 rgba(0, 0, 0, 0.07);
}

::-webkit-scrollbar-corner {
  background: transparent;
}
